1. Turnover costs: research among five star hotels in the city of Antalya, Turkey;Aksu;Tourism Analysis,2004
2. The Functions of the Executive;Barnard,19381968
3. The interface between intrapsychic and interpersonal process: cognition, emotion, and self as adaptations to other people;Baumeister,1998
4. The employee as customer;Berry;Journal of Retail Banking,1981
5. Relationship marketing;Berry,1983